A vehicle drives through a flooded section of Shell Belt Road Wednesday, Aug. 29, 2012 in Bayou La Batre, Ala. as Isaac makes landfall along the Gulf Coast. Isaac, downgraded to a tropical storm, has top sustained winds of 70 mph (112 kph), just below the hurricane threshold of 74 mph (119 kph). The storm is about 50 miles (80 kilometers) west-southwest of New Orleans, where it is bringing drenching rains and fierce winds. (AP Photo/Mobile Register, G.M. Andrews) MAGS OUT